<template>
  <div class="goods-item" @click="itemClick">
    <img :src="showImage" alt="" @load="imageLoad" />
    <!-- 图片懒加载 -->
    <!-- <img v-lazy="showImage" alt="" @load="imageLoad" /> -->
    <div class="goods-info">
      <p>{{ childItem.title }}</p>
      <span class="price">{{ childItem.price }}</span
      ><span class="collect">{{ childItem.cfav }}</span>
    </div>
  </div>
</template>
<script setup lang="ts">
import { computed, getCurrentInstance } from "vue";
import { useRouter } from "vue-router";

const router = useRouter();
// const internalInstance: any = getCurrentInstance(); //当前组件实例
// const $bus = internalInstance.appContext.config.globalProperties.$bus;

const props = defineProps({
  childItem: {
    type: Object,
    default() {
      return {};
    },
  },
});

const emit = defineEmits(["itemImageLoad"]);

const showImage = computed(() => {
  if (props.childItem.show && props.childItem.show.img)
    return props.childItem.show.img;
  else return props.childItem.image;
});

function imageLoad() {
  // 传递一个img load 事件
  emit("itemImageLoad");
}

function itemClick() {
  // console.log('goes to 详情页',props.childItem.iid);
  router.push("/detail/" + props.childItem.iid);
}
</script>

<style scoped>
.goods-item {
  padding-bottom: 40px;
  position: relative;
  width: 48%;
}

.goods-item img {
  width: 100%;
  border-radius: 5px;
}

.goods-info {
  font-size: 12px;
  position: absolute;
  bottom: 5px;
  left: 0;
  right: 0;
  overflow: hidden;
  text-align: center;
}

.goods-info p {
  overflow: hidden;
  text-overflow: ellipsis;
  white-space: nowrap;
  margin-bottom: 3px;
}

.goods-info .price {
  color: var(--color-high-text);
  margin-right: 20px;
}

.goods-info .collect {
  position: relative;
}

.goods-info .collect::before {
  content: "";
  position: absolute;
  left: -15px;
  top: -1px;
  width: 14px;
  height: 14px;
  background: url("assets/img/common/collect.svg") 0 0/14px 14px;
}
</style>
